Manipulate v. t. : To treat, work, or operate with the hands, especially when knowledge and dexterity are required; to manage in hand work; to handle; as, to manipulate scientific apparatus.

Manipulate v. t. : To control the action of, by management; as, to manipulate a convention of delegates; to manipulate the stock market; also, to manage artfully or fraudulently; as, to manipulate accounts, or election returns.

Manipulate v. i. : To use the hands in dexterous operations; to do hand work; specifically, to manage the apparatus or instruments used in scientific work, or in artistic or mechanical processes; also, specifically, to use the hand in mesmeric operations.

Example:


Taxonomy
Merriam-Webster Online Dictionary, py, Dictionary, adjective, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, glossary, english, language, ESL, Search, transitive verb, Inflected, Etymology, back-formation, manipulation.

Defination from the web:
manipulate from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Etymology: back-formation from manipulation, from French, from manipuler to handle an apparatus in chemistry, ultimately from Latin manipulus. Date: 1834 ...